Kokotau is a rural locality and a statistical area in the Carterton District and Wellington Region of New Zealand's North Island.

The locality is about 8 km southeast of Carterton by road, and the statistical area covers the district east of Carterton to the Ruamahanga and Waingawa rivers.

[8] Kokotau statistical area covers 120.58 km2 (46.56 sq mi).

The percentage of people born overseas was 16.5, compared with 27.1% nationally.

Although some people chose not to answer the census's question about religious affiliation, 54.5% had no religion, 36.9% were Christian, 0.2% had Māori religious beliefs, 0.2% were Hindu, 0.2% were Buddhist and 0.7% had other religions.